User-Agent

Mozilla/5.0 (Windows NT 6.2; x64) AppleWebKit/537.36 (KHTML, like Gecko) Opera/66.0.0.0 Safari/537.36

first seen 2026-07-30 16:29 · last seen 2026-10-15 19:26 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientSafari 537.36
Operating systemWindows 6.2
Device classdesktop
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d201200_2b729b4bf6f3_e24568c0d4403

HTTP request (JA4H)

fingerprintco-occurrences
po11nn07ptbr_7d361e250c48_000000000000_0000000000001
po11nn07itit_7d361e250c48_000000000000_0000000000001
po11nn07frfr_7d361e250c48_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:114+14:0:1452:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:102+26:0:1360:mss*44,8:mss,nop,ws,sok,eol+1::01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1440_81
65535_2-1-3-1-1-4_1452_81
64240_2-1-3-4-0-0_1360_81

Country

fingerprintco-occurrences
BR · Brazil1
IT · Italy1
BJ · Benin1

Network (ASN)

fingerprintco-occurrences
AS3269 · Telecom Italia S.p.A.1
AS37424 · SPACETEL BENIN SA1
AS52768 · Alsol Provedor de Internet Ltda1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, winhttp 10.0.20348.1, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1